69 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Knee Effusions - Differential ... Fever/Chills/Joint ... pain/Night sweats ... Weight loss - DDX ... Brucellosis - Viruses: HIV
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Clinical triad ... : Fever, Arthralgia ... fraction < 20% Differential ... Diaqnoses: • Infectious ... #diagnosis #management
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
., HIV), EBV infection ... • Clinical features ... - Pel-Ebstein fever ... Alcohol-induced pain ... : Pain in involved
Clinical Manifestations of Human Herpes Viruses (HHV)

Herpes simplex virus 1	HSV-1	Frequently subclinical (80-90%) Oral lesions (10-20%) congenital
Clinical Manifestations ... 20%) congenital infection ... Mononucleosis-like disease ... -7 Fever, exanthema-subitum-like ... Diagnosis #Comparison #Table
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
to 8 years Clinical ... and M panel Management ... DDX - Other causes ... Epstein-Barr syndrome, HIV ... hematology #diagnosis #management
Campylobacter
Clinical 
 • Fever 
 • Abdominal pain 
 • Diarrhea (bloody stools) 
 • Vomiting
Campylobacter Clinical ... • Fever • ... Abdominal pain ... • Supportive (infection ... Antibiotics for severe disease
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
) - Differential ... , weight loss, fever ... Gastrointestinal disease ... To Narrow Down Ddx ... disease processes
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... in HIV - Differential ... Diagnosis Framework Disease ... angioinvasive disease ... #differential #
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
- Arthritis Differential ... • Rheumatic fever ... Parvovirus B19 • HIV ... streptococci (rheumatic fever ... #Differential #
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... Lung Abscess - Clinical ... : • 80% have fever ... Pleuritic chest pain ... Intervention: - Fevers